wp_add_dashboard_widget( string $widget_id, string $widget_name, callable $callback, callable $control_callback = null, array $callback_args = null )

Adds a new dashboard widget.

Contents

Description Description

Parameters Parameters

$widget_id

(string) (Required) Widget ID (used in the 'id' attribute for the widget).

$widget_name

(string) (Required) Title of the widget.

$callback

(callable) (Required) Function that fills the widget with the desired content. The function should echo its output.

$control_callback

(callable) (Optional) Function that outputs controls for the widget.

Default value: null

$callback_args

(array) (Optional) Data that should be set as the $args property of the widget array (which is the second parameter passed to your callback).

Default value: null

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Source Source

File: wp-admin/includes/dashboard.php 

function wp_add_dashboard_widget( $widget_id, $widget_name, $callback, $control_callback = null, $callback_args = null ) {
	$screen = get_current_screen();
	global $wp_dashboard_control_callbacks;

	$private_callback_args = array( '__widget_basename' => $widget_name );

	if ( is_null( $callback_args ) ) {
		$callback_args = $private_callback_args;
	} elseif ( is_array( $callback_args ) ) {
		$callback_args = array_merge( $callback_args, $private_callback_args );
	}

	if ( $control_callback && current_user_can( 'edit_dashboard' ) && is_callable( $control_callback ) ) {
		$wp_dashboard_control_callbacks[ $widget_id ] = $control_callback;
		if ( isset( $_GET['edit'] ) && $widget_id == $_GET['edit'] ) {
			list($url)    = explode( '#', add_query_arg( 'edit', false ), 2 );
			$widget_name .= ' <span class="postbox-title-action"><a href="' . esc_url( $url ) . '">' . __( 'Cancel' ) . '</a></span>';
			$callback     = '_wp_dashboard_control_callback';
		} else {
			list($url)    = explode( '#', add_query_arg( 'edit', $widget_id ), 2 );
			$widget_name .= ' <span class="postbox-title-action"><a href="' . esc_url( "$url#$widget_id" ) . '" class="edit-box open-box">' . __( 'Configure' ) . '</a></span>';
		}
	}

	$side_widgets = array( 'dashboard_quick_press', 'dashboard_primary' );

	$location = 'normal';
	if ( in_array( $widget_id, $side_widgets ) ) {
		$location = 'side';
	}

	$high_priority_widgets = array( 'dashboard_browser_nag', 'dashboard_php_nag' );

	$priority = 'core';
	if ( in_array( $widget_id, $high_priority_widgets, true ) ) {
		$priority = 'high';
	}

	add_meta_box( $widget_id, $widget_name, $callback, $screen, $location, $priority, $callback_args );
}

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Changelog Changelog

Changelog
Version Description
2.7.0 Introduced.

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Uses Uses

Uses
Uses Description
wp-admin/includes/screen.php: get_current_screen()

Get the current screen object
wp-admin/includes/template.php: add_meta_box()

Adds a meta box to one or more screens.
wp-includes/capabilities.php: current_user_can()

Returns whether the current user has the specified capability.
wp-includes/l10n.php: __()

Retrieve the translation of $text.
wp-includes/formatting.php: esc_url()

Checks and cleans a URL.
wp-includes/functions.php: add_query_arg()

Retrieves a modified URL query string.
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User Contributed Notes User Contributed Notes

  1. Skip to note 1 content
    You must log in to vote on the helpfulness of this noteVote results for this note: 0You must log in to vote on the helpfulness of this note
    Contributed by Codex —

    Adding dashboard widgets
    Here is a simple dashboard widget:

    /**
 * Add a new dashboard widget.
 */
function wpdocs_add_dashboard_widgets() {
	wp_add_dashboard_widget( 'dashboard_widget', 'Example Dashboard Widget', 'dashboard_widget_function' );
}
add_action( 'wp_dashboard_setup', 'wpdocs_add_dashboard_widgets' );

/**
 * Output the contents of the dashboard widget
 */
function dashboard_widget_function( $post, $callback_args ) {
	esc_html_e( "Hello World, this is my first Dashboard Widget!", "textdomain" );
}

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  3. Skip to note 3 content
    You must log in to vote on the helpfulness of this noteVote results for this note: -1You must log in to vote on the helpfulness of this note
    Contributed by Codex —

    Adding widgets onto the side
    The function doesn’t allow you to choose where you want your widget to go and will automatically add it to the “core” which is the left side. However you are able to get it on the right side very easily.

    You can use the add_meta_box() function instead of wp_add_dashboard_widget. Simply specify ‘dashboard’ in place of the $post_type. For example:

    add_meta_box( 'id', 'Dashboard Widget Title', 'dash_widget', 'dashboard', 'side', 'high' );

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